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All Seasons

Season 1

  • S01E01 A Match to Murder/Cold As Cold Can Get

    • January 1, 2018
    • Investigation Discovery

    A beloved mother and daughter are senselessly murdered in their own Florida rural cottage and their case goes cold for years. Then, out of the blue, a mysterious phone call from nearly 1500 miles away leads investigators straight to the killer.

  • S01E02 The Final Call

    • January 16, 2018
    • Investigation Discovery

    Prosecutor Anna-Sigga Nicolazzi revisits the case of Donna Decker who is stabbed to death by an intruder after returning home from work late on a Friday night, while her husband, father-in-law and small son all survive being shot.

  • S01E03 Witness to a Nightmare

    • January 23, 2018
    • Investigation Discovery

    Single mother Donna Willard answers the door to a hooded gunman who shoots and kills her, while her 12-year-son watches from the top of the stairs; Anna-Sigga Nicolazzi revisits the crime and reveals how justice was won for the Willard family.

  • S01E04 The Witching Hour

    • January 30, 2018
    • Investigation Discovery

    Law student Tracey Schoettlin clocks out after her restaurant shift, but she never makes it home; the next day, her body is found beneath a bridge with 19 stab wounds; the case goes cold until a man comes forward with mystical visions of the murder.

  • S01E05 The Devil in Dallas

    • February 6, 2018
    • Investigation Discovery

    Roxann Jeeves plans to tour a candy factory with her son on his fifth birthday, but mother and son are murdered together in a field; Anna-Sigga Nicolazzi reveals how justice was finally won for the Reeves family after the case goes cold for 20 years.

  • S01E06 Deception in the Desert

    • February 13, 2018
    • Investigation Discovery

    Cindy Monkman Apelt is found murdered in the Arizona desert on Christmas Eve after being reported missing by her husband; Anna-Sigga Nicolazzi revisits the crime with the detectives and state attorney who solved the case.

Season 2

  • S02E01 The Stalker

    • April 16, 2019
    • Investigation Discovery

    After computer whiz Cari Farver goes missing, she starts sending threatening text messages to her new boyfriend, his ex-lover and her mother; it's up to the police to determine if she's a deranged stalker or a murder victim.

  • S02E02 Protecting a Friend

    • April 23, 2019
    • Investigation Discovery

    Young mother Tyshika Askins is found strangled to death in her home; after charging the wrong man, police realize the key to solving the case lies in an orange juice container left out on a kitchen counter.

  • S02E03 A Mother's Nightmare

    • April 30, 2019
    • Investigation Discovery

    Las Vegas police hunt for the monster who raped and murdered a high school sophomore before he strikes again.

  • S02E04 Mother's Day Murder

    • May 7, 2019
    • Investigation Discovery

    A 59-year-old grandmother is discovered beaten and stabbed to death in her home on Mother's Day.

  • S02E05 Murder at the Barbershop

    • May 14, 2019
    • Investigation Discovery

    In Pensacola, Fla., a beloved barber is gunned down in his shop in broad daylight; DNA left at the crime scene may hold the answer to solving this murder mystery.

  • S02E06 Drive to Kill

    • May 21, 2019
    • Investigation Discovery

    Penske Racing chef Cindy Albrecht goes missing from her home near the Indianapolis Motor Speedway in Speedway, Ind., then her headless body is later found by deer hunters.

  • S02E07 Murder in New England

    • May 28, 2019
    • Investigation Discovery

    After grandmother Irene Kennedy is found dead in a park, a distant relative is charged with her murder, splitting her family apart; it will take years, another killing and a jail house snitch to bring the family back together.

  • S02E08 Death Undercover

    • June 4, 2019
    • Investigation Discovery

    Young mother Nancy Klinger goes missing after telling friends she's working undercover on a black-market baby sting.

  • S02E09 John Is Calling

    • June 11, 2019
    • Investigation Discovery

    A 19-year-old convenience store clerk vanishes in Sheridan, Wyo.; a gruesome discovery seems to point police to a cold-blooded killer.

  • S02E10 A Long Road to Justice

    • June 18, 2019
    • Investigation Discovery

    Anna-Sigga Nicolazzi meets with the detective and prosecutor who took on the case of Karen Ann Watson, a wife and mother who was brutally stabbed to death in 1987; nearly 30 years later, they track down a killer who thinks he got away with murder.

Season 3

  • S03E01 Shattered Home

    • December 30, 2020
    • Investigation Discovery

    The town of Indiana, Pennsylvania, is rocked by the murder of Theresa Dalessio. Shot at home with her family nearby, the crime is confounding. Theresa has no obvious enemies, but as evidence emerges, suspects are revealed - including her own husband.

  • S03E02 More Than A Statistic

    • January 6, 2021
    • Investigation Discovery

    A crime wave is sweeping Boston and police resources are stretched thin. The murder of a single mother is on the brink of becoming just another number in a wave of unsolved homicides. As the case goes cold for years, a toddler is left without his mom and an immigrant family faces an overwhelming justice system they can barely comprehend. Then, the nation’s top cold case duo attempts to catch her killer. They develop a technique that would change investigative procedure forever hoping to secure justice for a mother gone too soon.

  • S03E03 Family Under Fire

    • January 6, 2021
    • Investigation Discovery

    Armed with homemade bombs, a group of masked gunmen ambush a family in the middle of the night, and murder a teenage daughter and her mom. The family’s tragedy is worsened when they believe that one of their own loved ones was behind the double homicide. It would take 30 years and an eager state trooper to bring the killer to justice.

  • S03E04 The Hundred Mile Murder

    • January 6, 2021
    • Investigation Discovery

    The innocence of the quiet, rural town of Miles City, Montana is shattered when a doting father of two and loving husband, Marty Etchemendy, disappears after a local football game. The Sheriff and local volunteers scour the dusty countryside for any sign of the missing father. The trail leads detectives out of Montana on a life-and-death chase spanning over 150 miles. Investigators hold on hard to hope, but will the intense manhunt for a hostage turn into a search and recovery?

  • S03E05 A True Psychopath

    • January 6, 2021
    • Investigation Discovery

    When a beloved elderly couple is stabbed over 60 times each in their bed, local law enforcement work with the FBI to track down a twisted killer. The gruesome details shock a quiet town, while the investigation sparks a rift within the victims’ families.

  • S03E06 Justice Under Attack

    • March 17, 2021
    • Investigation Discovery

    A young father is gunned down right outside his mother’s home, and the murder is captured on security cameras. Investigators analyze surveillance video and hours of recorded calls to uncover a murder plot that threatens the entire justice system. But before the case goes to trial, prosecutors get word that the savvy killer ordered a hit against them. Now, they too, are caught in the crosshairs of danger.

  • S03E07 Heinous, Atrocious, Cruel

    • March 17, 2021
    • Investigation Discovery

    Diana Duve had it all: great friends, supportive family, a fulfilling career, and a charismatic, successful boyfriend. But when she mysteriously goes missing, the resulting investigation unearths a past riddled with vitriol and violence. They discover a wake of victims and a heinous escalation of abuse. The prosecution knows they need to expose this wolf in sheep’s clothing before he can kill again.

  • S03E08 Dead Wrong

    • March 17, 2021
    • Investigation Discovery

    Horse grooms at a racetrack find one of their own dead in her dorm. Her death is ruled a suicide, but her family suspect foul play. Three years later, the original investigator gets a tip about an eerily similar death 1400 miles away. Can this suicide be turned into a homicide case? A detective who won’t give up hope, tries to the connect the two and bring closure to the families of these victims.

  • S03E09 For the Love of Money

    • March 17, 2021
    • Investigation Discovery

    When a well-known local cabby, famous for his generosity, is found shot to death in his car in Peekskill, NY, the whole city wonders how this happened. The Peekskill police force and a Westchester County’s dogged prosecutor deploy every resource available to track a killer. And within 48-hours, their rapid-fire investigation uncovers a treacherous plot hatched in a deadly love affair.

  • S03E10 The Wound Never Heals

    • March 17, 2021
    • Investigation Discovery

    There’s no pain like the loss of a young, innocent life. When a 14-year-old’s murder goes unsolved for decades, it festers into a wound that never heals. The family had long since given up hope. But everything changed when a cold case detective made it his mission to find closure for the small town that’d been plagued by questions and distrust for over 30 years.

Season 4

  • S04E01 A Generational Curse

    • March 8, 2022
    • Investigation Discovery

    Two generations of a family endure the tragedy of big city gun violence.

  • S04E02 Panic on the Parkway

    • March 15, 2022
    • Investigation Discovery

    Two murders on Long Island, New York, set off a multi-county manhunt.

  • S04E03 The Final Heartbeat

    • March 22, 2022
    • Investigation Discovery

    The disappearance of a 21-year-old sparks a massive mobilization of law enforcement to delve into the world of digital forensics.

  • S04E04 The Loss of Innocence

    • March 29, 2022
    • Investigation Discovery

    When 12-year-old Naomi Jones goes missing, her mother sounds the alarm, triggering a massive search effort. But when they discover her body a few miles from her home, a team of investigators sets out to find the heartless killer who took her life.

  • S04E05 Life is a Battlefield

    • April 5, 2022
    • Investigation Discovery

    In December 2015, darkness falls on San Antonio, Texas, with the murder of Army veteran Jesse Richards at a local bus stop. Just when the case seems to have gone cold, a breath of new life enters into the investigation with an unexpected phone call.

  • S04E06 When Trust Turns Fatal

    • April 19, 2022
    • Investigation Discovery

    A simple break in routine leads to the discovery of a murdered grandfather and a missing child. Investigators must contend with a devious killer who's taken pains to cover their tracks to unravel this tragic tale of lies and betrayal.

  • S04E07 The No Body Homicide

    • April 26, 2022
    • Investigation Discovery

    The mysterious disappearance of Bruce Blackwood becomes a dominant missing persons case until a veteran investigator and a young prosecutor team up on a mission to deliver justice. It's a tall order until a late night bombshell breaks the case wide open.

  • S04E08 A Cold-Hearted Conspiracy

    • May 3, 2022
    • Investigation Discovery

    A young couple on an evening stroll with their young son is struck down in a hail of gunfire. Under the looming specter of a racially motivated hate crime, investigators race to find the gunmen and uncover a twister trail of lies and betrayal.

Additional Specials

  • SPECIAL 0x1 As Cold as Cold Can Get

    • February 20, 2018
    • Investigation Discovery

    A beloved mother and daughter are senselessly murdered in their rural Florida cottage and their case goes unsolved for years. Then, out of the blue, a mysterious phone call from nearly 1500 miles away leads investigators straight to the killer.